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Finding the Fourth Proportional to 32,323.68, 48,485.16 and 8,631.18

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Solution

The fourth proportional to 32,323.68, 48,485.16 and 8,631.18 is: 12,946.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,323.68 : 48,485.16 = 8,631.18 : x
  2. Step 2: Convert to fraction form
    32,323.68/48,485.16 = 8,631.18/x
  3. Step 3: Cross multiply
    32,323.68x = 48,485.16 × 8,631.18
  4. Step 4: Simplify right side
    32,323.68x = 418,484,143.29
  5. Step 5: Solve for x
    x = 418,484,143.29/32,323.68
  6. Step 6: Final answer
    x = 12,946.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.